C\u00e2u 1: Tuy c\u00f2n t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u, nh\u01b0ng n\u00f3i chung h\u1ec7 s\u1ed1 l\u00f2 xo c\u1ee7a v\u1eadt li\u1ec7u kim lo\u1ea1i thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o khi b\u1ecb m\u1ecfi?<\/p>\n\n\n\n
C\u00e2u 2: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa h\u1eb1ng s\u1ed1 l\u00f2 xo v\u00e0 h\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i l\u00e0 g\u00ec?<\/p>\n\n\n\n
C\u00e2u 1: C\u00e1c \u0111\u1eb7c t\u00ednh m\u1ecfi c\u1ee7a v\u1eadt li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng \u0111\u01b0\u1eddng cong S-N, l\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a \u1ee9ng su\u1ea5t \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng nhi\u1ec1u l\u1ea7n v\u00e0 s\u1ed1 chu k\u1ef3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c (tu\u1ed5i th\u1ecd m\u1ecfi). \u1ee8ng su\u1ea5t c\u00e0ng th\u1ea5p th\u00ec s\u1ed1 chu k\u1ef3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng c\u00e0ng l\u1edbn, nh\u01b0ng \u0111\u1ed1i v\u1edbi th\u00e9p, v.v., c\u00f3 m\u1ed9t gi\u1edbi h\u1ea1n \u1ee9ng su\u1ea5t v\u00e0 gi\u1edbi h\u1ea1n m\u1ecfi m\u00e0 t\u1ea1i \u0111\u00f3 h\u01b0 h\u1ecfng do m\u1ecfi kh\u00f4ng x\u1ea3y ra d\u01b0\u1edbi m\u1ed9t \u1ee9ng su\u1ea5t nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n
\u203bM\u1ed9t v\u00ed d\u1ee5 v\u1ec1 \u0111\u01b0\u1eddng cong S-N \u0111\u01b0\u1ee3c \u0111\u00ednh k\u00e8m \u0111\u1ec3 tham kh\u1ea3o.<\/p>\n\n\n\n
C\u00e2u 2:\u30fb\u201cH\u1eb1ng s\u1ed1 l\u00f2 xo\u201d: L\u1ef1c ho\u1eb7c m\u00f4 men c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra \u0111\u1ed9 bi\u1ebfn d\u1ea1ng (\u0111\u1ed9 v\u00f5ng) tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb cho l\u00f2 xo. V\u00ed d\u1ee5: H\u1eb1ng s\u1ed1 l\u00f2 xo = 10 N\/mm \u2192 L\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u00e9n l\u00f2 xo 1 mm l\u00e0 10 N.
\u30fb\u201cH\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i\u201d: Khi m\u1ed9t l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean v\u1eadt li\u1ec7u, n\u00f3 s\u1ebd gi\u00e3n ra t\u1ec9 l\u1ec7 v\u1edbi l\u1ef1c \u0111\u00f3. T\u1ed1c \u0111\u1ed9 gi\u00e3n n\u1edf ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u nh\u01b0ng c\u00f3 gi\u00e1 tr\u1ecb kh\u00f4ng \u0111\u1ed5i.<\/p>\n\n\n\n
V\u00ed d\u1ee5, trong tr\u01b0\u1eddng h\u1ee3p th\u00e9p, n\u00f3 s\u1ebd l\u00e0 kho\u1ea3ng 21000 kg\/mm2 v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed3ng l\u00e0 kho\u1ea3ng 12000 kg\/mm2.N\u00f3 cho th\u1ea5y r\u1eb1ng th\u00e9p k\u00e9m co gi\u00e3n h\u01a1n \u0111\u1ed3ng khi t\u00e1c d\u1ee5ng c\u00f9ng m\u1ed9t l\u1ef1c. Ngh\u0129a l\u00e0, khi l\u00f2 xo l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u01a1 h\u1ecdc, khi c\u00f3 ngo\u1ea1i l\u1ef1c t\u00e1c d\u1ee5ng, n\u00f3 s\u1ebd u\u1ed1n cong, nh\u01b0ng t\u1ef7 s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ch\u1eb1ng s\u1ed1 l\u00f2 xo\u201d v\u00e0 \u201ch\u1eb1ng s\u1ed1 l\u00f2 xo\u201d \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u201ch\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i\u201d c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n
H\u1eb1ng s\u1ed1 l\u00f2 xo s\u1ebd \u200b\u200bthay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o n\u1ebfu l\u00f2 xo b\u1ecb g\u1ec9 s\u00e9t? T\u00f4i c\u1ee9 ngh\u0129 kim lo\u1ea1i s\u1ebd c\u1ee9ng l\u1ea1i do g\u1ec9 s\u00e9t, kh\u00f3 co l\u1ea1i h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u00f2 xo t\u0103ng l\u00ean. Nh\u01b0 v\u1eady c\u00f3 \u0111\u00fang kh\u00f4ng?<\/p>\n\n\n\n
T\u00f4i ngh\u0129 r\u1eb1ng s\u1ef1 thay \u0111\u1ed5i h\u1eb1ng s\u1ed1 l\u00f2 xo do g\u1ec9 s\u00e9t kh\u00f4ng \u0111\u01b0\u1ee3c xem x\u00e9t trong gi\u1edbi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a l\u00f2 xo. Tuy nhi\u00ean, n\u1ebfu g\u1ec9 s\u00e9t nghi\u00eam tr\u1ecdng, h\u1eb1ng s\u1ed1 l\u00f2 xo c\u00f3 th\u1ec3 thay \u0111\u1ed5i do \u0111\u01b0\u1eddng k\u00ednh v\u1eadt li\u1ec7u b\u1ecb c\u1ee9ng l\u1ea1i ho\u1eb7c gi\u1ea3m.<\/p>\n\n\n\n
\u203bTh\u00f4ng th\u01b0\u1eddng, l\u00f2 xo kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u00ecnh tr\u1ea1ng g\u1ec9 s\u00e9t. N\u1ebfu b\u1ea1n th\u1ea5y g\u1ec9 s\u00e9t, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean thay th\u1ebf b\u1eb1ng l\u00f2 xo kh\u00f4ng g\u1ec9, v\u00ec n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng l\u00f2 xo g\u00e3y s\u1edbm!<\/p>\n\n\n\n
Xin ch\u00e0o, t\u00f4i \u0111ang gi\u00fap kh\u00e1ch h\u00e0ng c\u1ee7a m\u00ecnh gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1. H\u1ecd c\u00f3 m\u1ed9t c\u00e1nh c\u1ed5ng l\u1edbn c\u00f3 th\u1ec3 r\u1ed9ng kho\u1ea3ng 14ft, cao 8 ft, t\u00f4i \u01b0\u1edbc t\u00ednh n\u1eb7ng kho\u1ea3ng 1000lb v\u00e0 n\u00f3 s\u1ebd l\u00e0m cong m\u00f3ng c\u1ed9t, v\u00e0 m\u1eb7t \u0111\u1ea5t kh\u00f4ng b\u1eb1ng ph\u1eb3ng, ch\u00eanh l\u1ec7ch kho\u1ea3ng 4 -6. Ban \u0111\u1ea7u h\u1ecd c\u00f3 m\u1ed9t b\u00e1nh xe g\u1eafn \u1edf m\u00e9p c\u1ed5ng nh\u01b0ng \u0111\u00e3 b\u1ecb h\u1ecfng. Ch\u00fang t\u00f4i d\u1ef1 \u0111\u1ecbnh l\u1eafp m\u1ed9t l\u00f2 xo d\u00e0i tr\u00ean b\u00e1nh xe, \u0111\u1ec3 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu m\u1ed9t s\u1ed1 t\u1ea3i tr\u1ecdng c\u1ee7a c\u1ed5ng v\u00e0 n\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 \u1edf c\u00e1c \u0111\u1ed9 cao kh\u00e1c nhau.<\/p>\n\n\n\n
C\u1ea3m \u01a1n c\u00e2u h\u1ecfi c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 vui l\u00f2ng g\u1eedi cho ch\u00fang t\u00f4i th\u00eam th\u00f4ng tin v\u1ec1 c\u1ed5ng v\u00e0 b\u00e1nh xe (\u1ea3nh, h\u00ecnh minh h\u1ecda) \u0111\u01b0\u1ee3c kh\u00f4ng?
Ch\u00fang t\u00f4i mong s\u1edbm nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng tin t\u1eeb b\u1ea1n.
Tr\u00e2n tr\u1ecdng,<\/p>\n","protected":false},"featured_media":0,"template":"","acf":[],"_links":{"self":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi\/43423"}],"collection":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi"}],"about":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/types\/cau-hoi"}],"wp:attachment":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/media?parent=43423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}